Quote:
Originally Posted by VintagePC
I've tried googling "Cascode tuner" in the past expecting it was a particular design or brand implementation but that was trying to find a grain of sand in a manure pile.
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I believe that the "Standard Coil" tuner as shown in your schematic was used in a number of sets... somebody here must have more info and perhaps UHF strips for certain channels. What channel are you trying to get, anyway? nearly all of the Low Power UHF stations in the US have converted to digital...do you still have some left in your area?
Quote:
Originally Posted by VintagePC
GE's 6J6 datasheet says it can run up to 600 Mhz if configured in PP mode with the two halves tied together... which might be doable with bridging some pins on the strip, and certainly covers _some_ of the UHF range.
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Since the top of the UHF band went to 880 Mhz, it seems likely that some sort of frequency multiplication circuit would have been part of the UHF strip esign.
jr